Finding the Fourth Proportional to 10,939,814.64, 16,409,731.68 and 2,852,781.12
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Solution
The fourth proportional to 10,939,814.64, 16,409,731.68 and 2,852,781.12 is: 4,279,174.21
Step by Step Solution
- Step 1: Write the proportion equation
10,939,814.64 : 16,409,731.68 = 2,852,781.12 : x - Step 2: Convert to fraction form
10,939,814.64/16,409,731.68 = 2,852,781.12/x - Step 3: Cross multiply
10,939,814.64x = 16,409,731.68 × 2,852,781.12 - Step 4: Simplify right side
10,939,814.64x = 46,813,372,720,969.88 - Step 5: Solve for x
x = 46,813,372,720,969.88/10,939,814.64 - Step 6: Final answer
x = 4,279,174.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.